25550483516 has 12 divisors (see below), whose sum is σ = 44722716360. Its totient is φ = 12772564560.

The previous prime is 25550483509. The next prime is 25550483521. The reversal of 25550483516 is 61538405552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647750 + ... + 686061.

It is an arithmetic number, because the mean of its divisors is an integer number (3726893030).

Almost surely, 2^25550483516 is an apocalyptic number.

It is an amenable number.

25550483516 is a deficient number, since it is larger than the sum of its proper divisors (19172232844).

25550483516 is a wasteful number, since it uses less digits than its factorization.

25550483516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338604 (or 1338602 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 25550483516 in words is "twenty-five billion, five hundred fifty million, four hundred eighty-three thousand, five hundred sixteen".